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ee302hw3_Sp10

ee302hw3_Sp10 - ECE302 Homework#3 Assigned Due(by 4:30 in...

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i ±² ±| | ± 2 +1 1 2 1 ±± ± ±∞ ² X Xi x i X x Y Y X a X ±x ECE302 Homework #3 = ( ) = exp( 2 ) 1 =0 2 ()= 1 2 = 101 2 =() = 1 =2 ? () E [] E 0 ()= 0 0 YX Y X . X fx c x , < x <. , cY , Y X . X p x c , x , , ,. .., , Y X . Yg X a b. fx e, < x < Y fy Y W CC ±X a, < a < ± X fx ,< x < a , ± X fx ² e x , Assigned 2/8/10, Due 2/19/10 (by 4:30 in dropbox in MSEE 330) 1. A random variable is related to a random variable by (a) Suppose is a continuous random variable with pdf else where is a constant. Find the pdf of and the probabilitythat is greater than (b) Suppose is a discrete random variable with pmf else. where is a constant. Find the pmf of and the probabilitythat is greater than 2. Consider the limiter shown in Figure P4.3 on p. 220 of the text with and . Assume that (a) What kind of random variable is (b) Find using the density method (c) Find using the distribution method (d) Find 3. There are 10 multiple-choice questions in an exam, each with 4 choices. The student knows the correct answer to 7 of them, and for the remaining 3 guesses randomly. Let C be the number of correct answers, and W be the number of wrong answers.

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ee302hw3_Sp10 - ECE302 Homework#3 Assigned Due(by 4:30 in...

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